text: """Demonstrate the Linear Advection (LA) model."""
  from matplotlib import pyplot as plt
  
  import dapper.mods as modelling
  from dapper.mods.LA.raanes2015 import X0, step
  from dapper.tools.viz import amplitude_animation
  
  simulator = modelling.with_recursion(step, prog="Simulating")
  
  x0 = X0.sample(1).squeeze()
  dt = 1
  xx = simulator(x0, k=500, t=0, dt=dt)
  
  anim = amplitude_animation(xx, dt)
  plt.show()
  